@misc{indiciae51744b20ef9f,
  title = {Chemical equilibrium diagrams for ground-water systems/les graphiques de l'équilibre chimique pour les systèmes des eaux souterrainnes},
  author = {J.D. Hem},
  year = {1960},
  doi = {10.1080/02626666009493179},
  url = {https://pubs.usgs.gov/publication/70220529},
  note = {Source identifier: 70220529}
}